mirror of
https://github.com/encounter/dawn-cmake.git
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92baafc7a0
This is currently hardcoded to work on one specific HW/OS/driver version. It also assumes that the graphics queue is the same as the present queue.
106 lines
3.5 KiB
C++
106 lines
3.5 KiB
C++
// Copyright 2017 The NXT Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "utils/BackendBinding.h"
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#include "common/Assert.h"
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#include "common/vulkan_platform.h"
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#include "nxt/nxt_wsi.h"
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#include "GLFW/glfw3.h"
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#include <vector>
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namespace backend { namespace vulkan {
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void Init(nxtProcTable* procs,
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nxtDevice* device,
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const std::vector<const char*>& requiredInstanceExtensions);
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VkInstance GetInstance(nxtDevice device);
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nxtSwapChainImplementation CreateNativeSwapChainImpl(nxtDevice device, VkSurfaceKHR surface);
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nxtTextureFormat GetNativeSwapChainPreferredFormat(const nxtSwapChainImplementation* swapChain);
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}} // namespace backend::vulkan
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namespace utils {
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class SwapChainImplVulkan {
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public:
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using WSIContext = nxtWSIContextVulkan;
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SwapChainImplVulkan(GLFWwindow* /*window*/) {
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}
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~SwapChainImplVulkan() {
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}
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void Init(nxtWSIContextVulkan*) {
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}
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nxtSwapChainError Configure(nxtTextureFormat, nxtTextureUsageBit, uint32_t, uint32_t) {
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return NXT_SWAP_CHAIN_NO_ERROR;
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}
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nxtSwapChainError GetNextTexture(nxtSwapChainNextTexture*) {
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return NXT_SWAP_CHAIN_NO_ERROR;
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}
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nxtSwapChainError Present() {
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return NXT_SWAP_CHAIN_NO_ERROR;
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}
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};
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class VulkanBinding : public BackendBinding {
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public:
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void SetupGLFWWindowHints() override {
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glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
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}
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void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
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uint32_t extensionCount = 0;
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const char** glfwInstanceExtensions =
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glfwGetRequiredInstanceExtensions(&extensionCount);
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std::vector<const char*> requiredExtensions(glfwInstanceExtensions,
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glfwInstanceExtensions + extensionCount);
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backend::vulkan::Init(procs, device, requiredExtensions);
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mDevice = *device;
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}
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uint64_t GetSwapChainImplementation() override {
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if (mSwapchainImpl.userData == nullptr) {
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VkSurfaceKHR surface = VK_NULL_HANDLE;
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if (glfwCreateWindowSurface(backend::vulkan::GetInstance(mDevice), mWindow, nullptr,
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&surface) != VK_SUCCESS) {
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ASSERT(false);
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}
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mSwapchainImpl = backend::vulkan::CreateNativeSwapChainImpl(mDevice, surface);
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}
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return reinterpret_cast<uint64_t>(&mSwapchainImpl);
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}
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nxtTextureFormat GetPreferredSwapChainTextureFormat() override {
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ASSERT(mSwapchainImpl.userData != nullptr);
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return backend::vulkan::GetNativeSwapChainPreferredFormat(&mSwapchainImpl);
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}
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private:
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nxtDevice mDevice;
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nxtSwapChainImplementation mSwapchainImpl = {};
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};
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BackendBinding* CreateVulkanBinding() {
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return new VulkanBinding;
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}
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} // namespace utils
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